X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fudev%2Fudev-rules.c;h=3bc25f7c26980f4f1b2f62ecd6880536fadbc9a8;hb=cfe2061add5479710f6597899d632e64c54e62ef;hp=9514dde75144ac6b56c72e6349da35615a992120;hpb=8e3ba3772cadf6a8292b0da533062dd4d377af67;p=elogind.git diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c index 9514dde75..3bc25f7c2 100644 --- a/src/udev/udev-rules.c +++ b/src/udev/udev-rules.c @@ -459,8 +459,9 @@ static int add_token(struct udev_rules *rules, struct token *token) { static uid_t add_uid(struct udev_rules *rules, const char *owner) { unsigned int i; - uid_t uid; + uid_t uid = 0; unsigned int off; + int r; /* lookup, if we know it already */ for (i = 0; i < rules->uids_cur; i++) { @@ -470,7 +471,13 @@ static uid_t add_uid(struct udev_rules *rules, const char *owner) { return uid; } } - uid = util_lookup_user(rules->udev, owner); + r = get_user_creds(&owner, &uid, NULL, NULL, NULL); + if (r < 0) { + if (r == -ENOENT || r == -ESRCH) + udev_err(rules->udev, "specified user '%s' unknown\n", owner); + else + udev_err(rules->udev, "error resolving user '%s': %s\n", owner, strerror(-r)); + } /* grow buffer if needed */ if (rules->uids_cur+1 >= rules->uids_max) { @@ -499,8 +506,9 @@ static uid_t add_uid(struct udev_rules *rules, const char *owner) { static gid_t add_gid(struct udev_rules *rules, const char *group) { unsigned int i; - gid_t gid; + gid_t gid = 0; unsigned int off; + int r; /* lookup, if we know it already */ for (i = 0; i < rules->gids_cur; i++) { @@ -510,7 +518,13 @@ static gid_t add_gid(struct udev_rules *rules, const char *group) { return gid; } } - gid = util_lookup_group(rules->udev, group); + r = get_group_creds(&group, &gid); + if (r < 0) { + if (r == -ENOENT || r == -ESRCH) + udev_err(rules->udev, "specified group '%s' unknown\n", group); + else + udev_err(rules->udev, "error resolving group '%s': %s\n", group, strerror(-r)); + } /* grow buffer if needed */ if (rules->gids_cur+1 >= rules->gids_max) { @@ -615,6 +629,7 @@ static int import_file_into_properties(struct udev_device *dev, const char *file static int import_program_into_properties(struct udev_event *event, usec_t timeout_usec, + usec_t timeout_warn_usec, const char *program, const sigset_t *sigmask) { struct udev_device *dev = event->dev; char **envp; @@ -623,7 +638,7 @@ static int import_program_into_properties(struct udev_event *event, int err; envp = udev_device_get_properties_envp(dev); - err = udev_event_spawn(event, timeout_usec, program, envp, sigmask, result, sizeof(result)); + err = udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, sigmask, result, sizeof(result)); if (err < 0) return err; @@ -1057,8 +1072,7 @@ static int add_rule(struct udev_rules *rules, char *line, _cleanup_free_ char *tmp; tmp = cescape(buf); - log_error("invalid key/value pair in file %s on line %u," - "starting at character %tu ('%s')\n", + log_error("invalid key/value pair in file %s on line %u, starting at character %tu ('%s')\n", filename, lineno, linepos - line + 1, tmp); if (linepos[1] == '#') log_error("hint: comments can only start at beginning of line"); @@ -1561,7 +1575,7 @@ invalid: } static int parse_file(struct udev_rules *rules, const char *filename) { - FILE *f; + _cleanup_fclose_ FILE *f = NULL; unsigned int first_token; unsigned int filename_off; char line[UTIL_LINE_SIZE]; @@ -1619,7 +1633,6 @@ static int parse_file(struct udev_rules *rules, const char *filename) { } add_rule(rules, key, filename, filename_off, line_nr); } - fclose(f); /* link GOTOs to LABEL rules in this file to be able to fast-forward */ for (i = first_token+1; i < rules->token_cur; i++) { @@ -1862,6 +1875,7 @@ enum escape_type { int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, usec_t timeout_usec, + usec_t timeout_warn_usec, const sigset_t *sigmask) { struct token *cur; struct token *rule; @@ -2070,7 +2084,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, rules_str(rules, rule->rule.filename_off), rule->rule.filename_line); - if (udev_event_spawn(event, timeout_usec, program, envp, sigmask, result, sizeof(result)) < 0) { + if (udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, sigmask, result, sizeof(result)) < 0) { if (cur->key.op != OP_NOMATCH) goto nomatch; } else { @@ -2106,7 +2120,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, rules_str(rules, rule->rule.filename_off), rule->rule.filename_line); - if (import_program_into_properties(event, timeout_usec, import, sigmask) != 0) + if (import_program_into_properties(event, timeout_usec, timeout_warn_usec, import, sigmask) != 0) if (cur->key.op != OP_NOMATCH) goto nomatch; break; @@ -2239,6 +2253,8 @@ int udev_rules_apply_to_event(struct udev_rules *rules, break; case TK_A_OWNER: { char owner[UTIL_NAME_SIZE]; + const char *ow = owner; + int r; if (event->owner_final) break; @@ -2246,7 +2262,15 @@ int udev_rules_apply_to_event(struct udev_rules *rules, event->owner_final = true; udev_event_apply_format(event, rules_str(rules, cur->key.value_off), owner, sizeof(owner)); event->owner_set = true; - event->uid = util_lookup_user(event->udev, owner); + r = get_user_creds(&ow, &event->uid, NULL, NULL, NULL); + if (r < 0) { + if (r == -ENOENT || r == -ESRCH) + udev_err(event->udev, "specified user '%s' unknown\n", owner); + else + udev_err(event->udev, "error resolving user '%s': %s\n", owner, strerror(-r)); + + event->uid = 0; + } log_debug("OWNER %u %s:%u", event->uid, rules_str(rules, rule->rule.filename_off), @@ -2255,6 +2279,8 @@ int udev_rules_apply_to_event(struct udev_rules *rules, } case TK_A_GROUP: { char group[UTIL_NAME_SIZE]; + const char *gr = group; + int r; if (event->group_final) break; @@ -2262,7 +2288,15 @@ int udev_rules_apply_to_event(struct udev_rules *rules, event->group_final = true; udev_event_apply_format(event, rules_str(rules, cur->key.value_off), group, sizeof(group)); event->group_set = true; - event->gid = util_lookup_group(event->udev, group); + r = get_group_creds(&gr, &event->gid); + if (r < 0) { + if (r == -ENOENT || r == -ESRCH) + udev_err(event->udev, "specified group '%s' unknown\n", group); + else + udev_err(event->udev, "error resolving group '%s': %s\n", group, strerror(-r)); + + event->gid = 0; + } log_debug("GROUP %u %s:%u", event->gid, rules_str(rules, rule->rule.filename_off),